Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...
Roseville, Calif.—Industrial microcontroller supplier R2 Controls now has an 8051-based RTU (Remote Terminal Unit). The company's R301 Modbus Digital RTU is for field and industrial relay-based ...
Promising to make controlling an analog output via a serial port a snap, the D3000M series Modbus-compatible smart digital-to-analog modules combine a 12-bit DAC with programmable analog output ...
Open Systems International, Inc. (OSI) has announced the latest feature release of its OSIRIS Remote Telemetry Unit (RTU). OSIRIS (OSIRemote Information System), OSI’s Linux-based secure RTU, now ...
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